Are cursor.size() and cursor.count(true) equivalent?

Whenever a lens is tested or a camera reviewed the phrase "equivalent focal length" is usually found. In my opinion this has created some confusion since I've read comments saying that a 200mm lens on a "1.5x cropped sensor" camera...

I) If the house is not brick, then the house is small. II) Either the house is brick or the house is small. III) Either the house is not brick or the house is not small I and II are equivalent I and III are equivalent II and III are equivalent I, II...

Give a reason for your conclusion .I) If the dog wags its tail, then the dog is not calm. II) Either the dog does not wag its tail or the dog is not calm. III) If the dog is not calm, then the dog wags its tail. a.I, II, and III are equivalent b. I and...

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units completed during the period and transferred out. units completed during the period plus equivalent units in the ending work in process inventory. units started and completed during the period plus equivalent units in the ending work in process...